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Compute Module • Re: Standard LCD 7 inches does not work fine on CM4 DSI0 connector

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Only DSI0 is working, DSI1 is not working, I get below info, only DSI0 info can be seen

Code:

[    0.046483] platform fe101000.cprman: Fixed dependency cycle(s) with /soc/dsi@7e209000[    0.048232] platform fe101000.cprman: Fixed dependency cycle(s) with /soc/dsi@7e209000[    0.048308] platform fe209000.dsi: Fixed dependency cycle(s) with /soc/dsi@7e209000/panel_disp0@0[    0.048337] platform fe209000.dsi: Fixed dependency cycle(s) with /soc/cprman@7e101000[    5.661002] vc4_dsi fe209000.dsi: Fixed dependency cycle(s) with /soc/dsi@7e209000/panel_disp0@0[    5.661078] mipi-dsi fe209000.dsi.0: Fixed dependency cycle(s) with /soc/dsi@7e209000[    6.237191] vc4-drm gpu: bound fe209000.dsi (ops vc4_dsi_ops [vc4])[    6.343892] panel-chipone-icn6211 fe209000.dsi.0: 1024x600@60 24bpp dsi 2dl - ready
I'm now using this overlay, this one can get both DSI work without IIC, i didn't write this overlay, just did some change on "vc4-kms-dsi-7inch":

Code:

/dts-v1/;/plugin/;/ {    compatible = "brcm,bcm2835";       dsi_frag: fragment@0 {target = <&dsi1>;__overlay__ {#address-cells = <1>;#size-cells = <0>;status = "okay";port {dsi_out: endpoint {remote-endpoint = <&bridge_in>;};};bridge@0 {reg = <0>;compatible = "zettler,atm0700s6";ports {#address-cells = <1>;#size-cells = <0>;port@0 {reg = <0>;bridge_in: endpoint {remote-endpoint = <&dsi_out>;};};port@1 {reg = <1>;bridge_out: endpoint {remote-endpoint = <&panel_in>;};};};};};};fragment@1 {target-path = "/";__overlay__ {panel_disp: panel_disp@1 {reg = <1>;compatible = "zettler,atm0700s6";port {panel_in: endpoint {remote-endpoint = <&bridge_out>;};};};};};__overrides__ {dsi0 = <&dsi_frag>, "target:0=",<&dsi0>,       <&panel_disp>, "reg:0=0";};};

Statistics: Posted by xiao_fengzi — Wed Dec 18, 2024 12:09 am



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